/Engine/Plugins/Runtime/MeshModelingToolset/Source/ModelingComponents/Public/Drawing/PreviewGeometryActor.h
the TriangleSetComponent with the given TriangleSetIdentifier, or nullptr if not found
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)() [UTriangleSetComponent](API\Plugins\ModelingComponents\Drawing\UTriangleSetComponent) * FindTriangleSet ( const [FString](API\Runtime\Core\Containers\FString) & TriangleSetIdentifier )